package com.xuecheng.system.service.impl;

import cn.hutool.crypto.digest.DigestUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xuecheng.commons.model.dto.LoginDto;
import com.xuecheng.commons.model.vo.LoginVo;
import com.xuecheng.commons.model.vo.ResponseResult;
import com.xuecheng.commons.utils.JwtUtils;
import com.xuecheng.system.domain.User;
import com.xuecheng.system.mappers.UserMapper;
import com.xuecheng.system.service.UserService;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.HashMap;
import java.util.Map;

@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {

    //用户登录的业务逻辑
    @Override
    public ResponseResult login(LoginDto dto) {
        String phone = dto.getUsername();
        String password = dto.getPassword();
        String utype = dto.getUtype();
        if (StringUtils.isEmpty(phone)|| StringUtils.isEmpty(password)
        || StringUtils.isEmpty(utype)){
            throw new RuntimeException("请求参数不合法");
        }
        LambdaQueryWrapper<User> qw = new LambdaQueryWrapper<>();
        qw.eq(User::getPhone, phone);
        qw.eq(User::getUtype, utype);
        User user = this.getOne(qw);
        if (user == null) {
            throw new RuntimeException("用户名错误");
        }
        password = DigestUtil.md5Hex(password);
        if (!password.equals(user.getPassword())) {
            throw new RuntimeException("密码错误");
        }
        Map map = new HashMap();
        map.put("userId", user.getId());
        map.put("companyId", user.getCompanyId());
        map.put("companyName", user.getCompanyName());
        String token = JwtUtils.createToken(map, 240);

        LoginVo vo = new LoginVo();
        vo.setAccess_token(token);
        vo.setUsername(user.getName());
        return ResponseResult.okResult(vo);
    }
}
